‘If you start suf­fer­ing from odd elec­tri­cal faults it’s worth search­ing for this con­nec­tor’

Canal Boat - - Technical - TONY BROOKS Tech­ni­cal Con­sul­tant

Nowa­days en­gines usu­ally have the elec­tri­cal sys­tem supplied in two parts: the en­gine with a long bun­dle of ca­bles hang­ing from it and the con­trol panel with an­other bun­dle of ca­bles. They are joined by a multi-way plug that’s of­ten hid­den away some­where.

If you start suf­fer­ing from odd un­ex­plained elec­tri­cal faults it’s worth search­ing along the main wiring har­ness to lo­cate this con­nec­tor. Over time, wa­ter can get into it caus­ing cor­ro­sion and poor con­nec­tions. The eas­i­est way to cure it is to re­move the pairs of faulty con­nec­tions and join them out­side the con­nec­tor block.

Pe­ri­od­i­cally pull the con­nec­tor apart and rub Vase­line into the con­nec­tions, to help water­proof the joint when it is re­assem­bled.

Some en­gines also have a fuse and holder tucked away be­side the har­ness. Check your boat so that you know if you have one and where it is, ready for the day when some en­gine electrics sud­denly fail to work.

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